Re: [PATCH v3 3/4] mm: hugetlb: change to return bool for isolate_hugetlb()

[Matthew Wilcox]

On Wed, Feb 15, 2023 at 06:39:36PM +0800, Baolin Wang wrote:
> Now the isolate_hugetlb() only returns 0 or -EBUSY, and most users did not
> care about the negative value, thus we can convert the isolate_hugetlb()
> to return a boolean value to make code more clear when checking the
> hugetlb isolation state. Moreover converts 2 users which will consider
> the negative value returned by isolate_hugetlb().
> 
> No functional changes intended.
> 
> Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
> Acked-by: David Hildenbrand <david@xxxxxxxxxx>

Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>